This week, a 39-year-old black man in Waukesha, Wisconsin, plowed a maroon Ford Escape into a Christmas parade of children and older women. Six people were killed and another 48 were injured. The motive of the suspect is unknown; if the media have their way, it will remain that way. The media apparently only care about why suspects commit violent acts when motives can be credited to their political enemies.  There is one thing we do know: the suspect should not have been on the street. He had a rap sheet longer than the first five books of the Bible.…